cesium
英 [ˈsiːziəm]
美 [ˈsiːziəm]
n. 铯（化学元素，符号Cs）
COCA.30881
英英释义
noun
- a soft silver-white ductile metallic element (liquid at normal temperatures)
双语例句
- And an ytterbium clock has the potential to be even more accurate and stable than the cesium chronometer.
镱原子钟甚至可能比铯原子钟更加精确和稳定。 - In the wet air oxidation, heat and light cesium enough to melt.
在潮湿空气中，氧化的热量足以使铯熔化并点燃。 - Cesium and water, and even and low temperature to-116 degrees of ice can occur with violent reaction, also can generate stable halogen halide, this is because it is caused by large radius of ions.
铯和水，甚至和温度低到-116℃的冰均可发生猛烈反应，与卤素也可生成稳定的卤化物，这是由于它的离子半径大所带来的特点。 - Engineers are currently planning a two-stage ion exchange process to extract radioactive cesium and technetium from the soluble part of the alkaline tank waste.
工程师目前正在规划一个两阶段离子交换过程，将具有放射性的铯与从碱性的废料溶液中萃取出来。 - National Institute of Standards and Technology researchers are developing atomic clocks based on the element ytterbium that could outclass cesium atomic clocks, which currently set the standard.
美国国家标准技术研究所的研究人员正在开发一种镱原子钟，这种原子钟可能比铯原子钟更好。目前的时间标准是由铯原子钟确定的。 - Buesseler said the Eureka offshore sample was the only one that showed traces of cesium 134.
Buesseler说尤里卡小镇是沿海样品中唯一一个发现铯134的踪迹的地方。 - The cesium atomic fountain used laser cooling and trapping is a new generation primary frequency standard.
应用激光冷却与囚禁的铯原子喷泉是新一代的频率基准。 - It is the main cesium chloride compound.
氯化铯是它的主要化合物。 - A cesium clock operates by exposing cesium atoms to microwaves until they vibrate at one of their resonant frequencies and then counting the corresponding cycles as a measure of time.
一个铯钟的工作原理是：将铯原子暴露于微波中，直到它们以一个频率共振，然后以一个相应的周期作为时间度量。 - At high, sustained doses, these radioactive elements ─ including iodine and cesium ─ can be dangerous to human health.
如果人体持续暴露在有高剂量放射性物质的环境中，生命健康将受到危害。碘和铯等都属于放射性物质。